Secondary disease and immune response.
D000818:Animals; D000937:Antigen-Antibody Reactions; D001854:Bone Marrow Cells; D001855:Bone Marrow Diseases / Q000628:therapy*; D016026:Bone Marrow Transplantation; D005856:Germ-Free Life; D011830:Radiation Effects; D011833:Radiation Injuries, Experimental; D051381:Rats; D014181:Transplantation Immunology; D014184:Transplantation, Homologous